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MAX6464XR20+

更新时间： 2024-11-11 17:51:51
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美信 - MAXIM /
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10页 177K
描述
Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits

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MAX6464XR20+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SC-70, 3 PIN
Reach Compliance Code：compliantFactory Lead Time：12 weeks
风险等级：5.63模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
峰值回流温度（摄氏度）：NOT SPECIFIED处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

MAX6464XR20+ 数据手册

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19-2533; Rev 2; 12/05  
Ultra-Low-Power Voltage Detectors and  
µP Supervisory Circuits  
General Description  
Features  
The MAX6461–MAX6466 family of ultra-low-power voltage  
detectors and µP reset supervisory circuits monitors bat-  
tery, power-supply, and system voltages. Each circuit  
includes a precision bandgap reference, a comparator,  
internally trimmed resistor networks that set specified trip  
thresholds, and an internal 5% threshold hysteresis circuit  
(see the Functional Diagram). Output is asserted when  
♦ Ultra-Low 1.0µA Supply Current  
♦ Preset Thresholds from +1.6V to +5.5V in 100mV  
Increments  
♦ Internal 5% Threshold Hysteresis  
♦ ±±.5% Threshold Accuracy ꢀOer Temperature  
♦ Internal Timeout Period ꢀption (150ms min)  
♦ Immune to Short Voltage Transients  
♦ No External Components  
V
falls below the internal V  
and remains asserted  
CC  
until V  
TH-  
rises above V + (V + = V - × 1.05). These  
CC  
TH  
TH  
TH  
devices provide excellent circuit reliability and low cost  
by eliminating external components and adjustments  
when monitoring nominal system voltages from +1.6V to  
+5.5V. The MAX6461/MAX6462/MAX6463 are voltage  
detectors with a propagation delay of 17µs.  
♦ AOailable in Three ꢀutput ꢀptions: Push-Pull  
(ActiOe Low/ActiOe High) and ꢀpen Drain (ActiOe  
Low)  
The MAX6464/MAX6465/MAX6466 are µP supervisory  
circuits with a minimum reset timeout period of 150ms. All  
devices are available with thresholds from +1.6V to +5.5V  
in 100mV increments.  
♦ Fully Specified from -40°C to +1±5°C  
♦ Small SC70 and SꢀT±3 Packages  
Ordering Information  
The family is available with three output stage options:  
push-pull with active-low output, push-pull with active-  
high output, and open drain with active-low output. These  
devices are available in SC70 and SOT23 packages  
specified over the -40°C to +125°C temperature range.  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX6461XR_ _-T  
MAX6461UR_ _-T  
MAX6461UK_ _-T  
MAX646±XR_ _-T  
MAX6462UR_ _-T  
MAX6462UK_ _-T  
-40°C to +125°C 3 SC70-3  
-40°C to +125°C 3 SOT23-3  
-40°C to +125°C 5 SOT23-5  
-40°C to +125°C 3 SC70-3  
-40°C to +125°C 3 SOT23-3  
-40°C to +125°C 5 SOT23-5  
Applications  
Precision Battery Monitoring  
The MAX6461–MAX6466 are available in factory-set thresholds  
from 1.6V to 5.5V in approximately 100mV increments. Choose  
the desired voltage threshold suffix from Table 1 and insert it in  
the blank spaces in the part number. There are 30 standard ver-  
sions with a required order increment of 2500 pieces. Sample  
stock generally is held on the standard versions only (Table 2).  
Nonstandard versions require a 10k-piece order increment.  
Contact factory for availability. All devices available in tape-and-  
reel only.  
Load Switching/Power Sequencing  
Power-Supply Monitoring in Digital/Analog  
Systems  
Noise-Immune µP Reset Circuits  
Portable/Battery-Powered Equipment  
Cellular Phones/Cordless Phones  
PDAs  
Devices are available in both leaded and lead-free packaging.  
Specify lead-free by replacing “-T” with “+T” when ordering.  
Portable Medical Devices  
Ordering Information continued at end of data sheet.  
Selector Guide appears at end of data sheet.  
Pin Configurations  
TOP VIEW  
GND  
1
2
N.C.  
GND  
GND  
1
2
3
5
4
V
(OUT)/OUT  
GND  
1
2
CC  
3
V
3
V
CC  
CC  
MAX6461–  
MAX6466  
MAX6461–  
MAX6466  
MAX6461–  
MAX6466  
(OUT)/OUT  
(OUT)/OUT  
SC70-3  
SꢀT±3-3  
( ) ARE FOR THE MAX6462/MAX6465 ONLY  
SꢀT±3-5  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...10

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